/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Classes/MuCOE/EdGraphSchema_CustomizableObject.h
Get all actions that can be performed when right clicking on a graph or drag-releasing on a graph from a pin
virtual void GetGraphContextActions ( [FGraphContextMenuBuilder](API\Runtime\Engine\EdGraph\FGraphContextMenuBuilder) & ContextMenuBuilder ) const